7.8

CVE-2021-26910

Exploit
Firejail before 0.9.64.4 allows attackers to bypass intended access restrictions because there is a TOCTOU race condition between a stat operation and an OverlayFS mount operation.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Firejail ProjectFirejail Version < 0.9.64.4
DebianDebian Linux Version9.0
DebianDebian Linux Version10.0
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.44% 0.353
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 7 1 5.9
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
nvd@nist.gov 6.9 3.4 10
AV:L/AC:M/Au:N/C:C/I:C/A:C
cve@mitre.org 7.8 1.8 5.9
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition

The product checks the state of a resource before using that resource, but the resource's state can change between the check and the use in a way that invalidates the results of the check.

http://www.openwall.com/lists/oss-security/2021/02/09/1
Patch
Third Party Advisory
Exploit
Mailing List
https://github.com/netblue30/firejail/commit/97d8a03cad19501f017587cc4e47d8418273834b
Patch
Third Party Advisory
https://github.com/netblue30/firejail/releases/tag/0.9.64.4
Third Party Advisory
Release Notes
https://lists.debian.org/debian-lts-announce/2021/02/msg00015.html
Third Party Advisory
https://security.gentoo.org/glsa/202105-19
Third Party Advisory
https://unparalleled.eu/blog/2021/20210208-rigged-race-against-firejail-for-local-root/
Third Party Advisory
Exploit
https://unparalleled.eu/publications/2021/advisory-unpar-2021-0.txt
Third Party Advisory
Exploit
https://www.debian.org/security/2021/dsa-4849
Third Party Advisory